Lothar Schonfelder

Person

Krefeld, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Process for coating substrates with a silicium-containing layer
- Patent number 6,177,136
- Issue date Jan 23, 2001
- Bayer AG
- Hans-Peter Baldus
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Process for the production of dense silicon nitride materials
- Patent number 5,746,969
- Issue date May 5, 1998
- Bayer AG
- Lothar Schonfelder
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Thermoplastic molding compounds for the production of inorganic sin...
- Patent number 5,439,964
- Issue date Aug 8, 1995
- Bayer Aktiengesellschaft
- Holger Ohst
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Moulding compounds for the production of inorganic sintered mouldin...
- Patent number 5,283,213
- Issue date Feb 1, 1994
- Bayer Aktiengesellschaft
- Holger Ohst
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Process for the preparation of silicon nitride
- Patent number 5,075,091
- Issue date Dec 24, 1991
- Bayer Aktiengesellschaft
- Lothar Schonfelder
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of silicon nitride low in carbon content
- Patent number 4,798,714
- Issue date Jan 17, 1989
- Bayer Aktiengesellschaft
- Lothar Schonfelder
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Lamellar iron oxide pigments, a process for the production thereof...
- Patent number 4,676,838
- Issue date Jun 30, 1987
- Bayer Aktiengesellschaft
- Gerhard Franz
- C01 - INORGANIC CHEMISTRY

Lothar Schonfelder

Person

Patents Grantslast 30 patents

Process for coating substrates with a silicium-containing layer

Process for the production of dense silicon nitride materials

Thermoplastic molding compounds for the production of inorganic sin...

Moulding compounds for the production of inorganic sintered mouldin...

Process for the preparation of silicon nitride

Process for the preparation of silicon nitride low in carbon content

Lamellar iron oxide pigments, a process for the production thereof...